Home / 104,637.10-156,955.65-38,079.40

Finding the Fourth Proportional to 104,637.10, 156,955.65 and 38,079.40

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Solution

The fourth proportional to 104,637.10, 156,955.65 and 38,079.40 is: 57,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637.10 : 156,955.65 = 38,079.40 : x
  2. Step 2: Convert to fraction form
    104,637.10/156,955.65 = 38,079.40/x
  3. Step 3: Cross multiply
    104,637.10x = 156,955.65 × 38,079.40
  4. Step 4: Simplify right side
    104,637.10x = 5,976,776,978.61
  5. Step 5: Solve for x
    x = 5,976,776,978.61/104,637.10
  6. Step 6: Final answer
    x = 57,119.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.